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A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?
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Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system
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Give an example of how both short term and long term memory are involved. explain procedural, semantic ,and episodic memory and then how each is involved in this
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Physics, 23.06.2019 13:30
Which correctly identifies the parts of a transverse wave? a: crest b: amplitude c: wavelength d: trough a: trough b: amplitude c: crest d: wavelength a: trough b: amplitude c: wavelength d: crest a: crest b: amplitude c: trough d: wavelength
Answers: 1
cho một hệ gồm 2 vật chuyển động . Vật 1 có khối lượng 2 tổng động lượng của hệ khi v, hướng chếch l...
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